3. Read and compare the sentences: The letter was written yesterday. Many letters are written in the office. The letter will be written tomorrow. The letter must be written.

4. My father built the house.

5. The house was built by my father.

6. My father built the house. the house The house was built by my father. object subject doer of the action new subject

7. The Structure of the Sentence S + Be + V3V3

8. Verb 3 Regular verbs: V+ed Irregular verbs: buy-bought-bought go - went – gone make-made-made put-put-put see-saw-seen

9. Be Be Formsam is are Past Simple was were Future Simple will be will be Present Simple Modals can be could be must be should be

10. Active Somebody sent Passive was sent a letter. Johna letter. 1. John 2. A letter was sent to John.

11. Compare ! We use the passive voice when the action is more important than the person who performs it, or when we don’t know who performs the action. The Active Voice: She makes a cake every Sunday. The Passive Voice: A cake is made every Sunday.

12. Examples: She cooks dinner in the family. Dinner is cooked by her. Someone stole my car yesterday. My car was stolenby somebody.

13. Active Passive She makes a cake A cake is made made was every Sunday last every Sunday will make will be next is making now is being was making when I came home was being has made has been - let’s taste! by the time everybody came had made had been

14. Questions and Negatives He doesn’t do homework every day They don’t write a lot of letters. S + don’t + V 1 doesn’t Homework isn’t done by him every day. S + isn’t + V 3 aren’t

15. Did he study the material? Did+S+V 1 ? Was the material studied? Was +S+V 3 ? Were